Home / 7,834.05-11,748.78-2,285.91

Finding the Fourth Proportional to 7,834.05, 11,748.78 and 2,285.91

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Solution

The fourth proportional to 7,834.05, 11,748.78 and 2,285.91 is: 3,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.05 : 11,748.78 = 2,285.91 : x
  2. Step 2: Convert to fraction form
    7,834.05/11,748.78 = 2,285.91/x
  3. Step 3: Cross multiply
    7,834.05x = 11,748.78 × 2,285.91
  4. Step 4: Simplify right side
    7,834.05x = 26,856,653.69
  5. Step 5: Solve for x
    x = 26,856,653.69/7,834.05
  6. Step 6: Final answer
    x = 3,428.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.